FISHERY BULLETIN: VOL. 74, NO. 1 



Table 2. — Annual means and ranges of environmental factors measured in 

 1972-73 in five subareas of the St. Andrew Bay system, Fla. 



'Formazin turbidity units. 



1.7 FTU; temperature— 21.8°, 21.8°C; dissolved 

 oxygen — 3.6, 4.1 ml/liter. Generally, salinity and 

 dissolved oxygen values were higher in the lower 



area, turbidity values were higher in the upper 

 area, and temperatures were similar between 

 areas (Figure 2). The only noteworthy variation 



Figure 2. — Mean values of salinity, turbid- 

 ity, temperature, and dissolved oxygen in the 

 upper and lower areas of the St. Andrew Bay 

 system, Fla., 1972-73. 



"4 i« 3 17 30 U 27 13 26 8 22 5 20 5 19 



Stp OCT. NOV. DEC. JAN. FEB MAR, 



1972 



3 11 30 14 29 13 2S 9 23 



APR MAT JUN. nil. 



1973 



7 20 

 AUG. 



160 



